1. Food Analysis Center; Korea Food Research Inst; Anyangpangyo, Bundang, Seongnam Gyeonggi 463-746 Republic of Korea
2. Dept. of Food Biotechnology; Korea Univ. of Science and Technology; Daejeon 305-333 Republic of Korea
3. Dept. of Food Science and Biotechnology, School of Bioconvergence Science and Technology; Kangwon Natl. Univ; Chuncheon Gangwon 200-701 Republic of Korea